- Bend Bulletin main site
- Bend Bulletin archives
- Terms of Use
- Privacy Policy
- Contact the Bulletin
- Comments/Questions?
Published daily in Bend, Oregon, by Western Communications, Inc. Copyright 2007.
By Brad Bergholdt / The Bulletin
November 22, 2009
Q: I am looking to purchase a Lexus GX470. It calls for premium gas. Can it be tuned to run on regular? Will regular harm the engine? How about a mix?
A: This is a very common question, and it has a fuzzy answer. High-performance engines often recommend or require the use of premium (91 octane....
